Inventor
ROBERTS MARK J
US13 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS MARK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRAXAIR TECHNOLOGY INC
8 patentsUS5524442AJun 11, 1996
Cooling system employing a primary, high pressure closed refrigeration loop and a secondary refrigeration loop
PRAXAIR TECHNOLOGY INC88 citations93
US5469710ANov 28, 1995
Cryogenic rectification system with enhanced argon recovery
PRAXAIR TECHNOLOGY INC37 citations92
US5402647AApr 4, 1995
Cryogenic rectification system for producing elevated pressure nitrogen
PRAXAIR TECHNOLOGY INC43 citations92
US5245832ASep 21, 1993
Triple column cryogenic rectification system
PRAXAIR TECHNOLOGY INC26 citations92
US5398514AMar 21, 1995
Cryogenic rectification system with intermediate temperature turboexpansion
PRAXAIR TECHNOLOGY INC13 citations73
US5385024AJan 31, 1995
Cryogenic rectification system with improved recovery
PRAXAIR TECHNOLOGY INC17 citations73
US5365741ANov 22, 1994
Cryogenic rectification system with liquid oxygen boiler
PRAXAIR TECHNOLOGY INC11 citations73
US5303556AApr 19, 1994
Single column cryogenic rectification system for producing nitrogen gas at elevated pressure and high purity
PRAXAIR TECHNOLOGY INC14 citations69
ROBERTS MARK J
4 patentsUS5269736ADec 14, 1993
Combination stationary recumbent exercise apparatus and upper body exerciser
ROBERTS MARK J62 citations95
US5178593AJan 12, 1993
Combination stationary recumbent exercise apparatus and upper body exerciser
ROBERTS MARK J82 citations95
US4987746AJan 29, 1991
Apparatus for transferring water from a container to a refrigerator ice maker
ROBERTS MARK J35 citations91
US4848097AJul 18, 1989
Apparatus for transferring water from a container to a refrigerator ice maker
ROBERTS MARK J16 citations72